Finding the Fourth Proportional to 12,751.20, 17,597.34 and 7,449.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,751.20 : 17,597.34 = 7,449.12 : x
2. Step 2: Convert to fraction form
   12,751.20/17,597.34 = 7,449.12/x
3. Step 3: Cross multiply
   12,751.20x = 17,597.34 × 7,449.12
4. Step 4: Simplify right side
   12,751.20x = 131,084,697.34
5. Step 5: Solve for x
   x = 131,084,697.34/12,751.20
6. Step 6: Final answer
   x = 10,280.19